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2a709f28fa
* 0day explit mitigation * Memory corruption prevention * Privilege escalation prevention * Buffer over flow prevention * File System corruption defense * Thread escape prevention This may very well be the most intensive inclusion to BrooklynR. This will not be part of an x86 suite nor it will be released as tool kit. The security core toolkit will remain part of kernel base.
38 lines
980 B
C
38 lines
980 B
C
/* Fallback per-CPU frame pointer holder
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*
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* Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _ASM_GENERIC_IRQ_REGS_H
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#define _ASM_GENERIC_IRQ_REGS_H
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#include <linux/percpu.h>
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/*
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* Per-cpu current frame pointer - the location of the last exception frame on
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* the stack
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*/
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DECLARE_PER_CPU(struct pt_regs *, __irq_regs);
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static inline struct pt_regs *get_irq_regs(void)
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{
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return __this_cpu_read(__irq_regs);
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}
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static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
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{
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struct pt_regs *old_regs;
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old_regs = __this_cpu_read(__irq_regs);
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__this_cpu_write(__irq_regs, new_regs);
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return old_regs;
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}
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#endif /* _ASM_GENERIC_IRQ_REGS_H */
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